The Optical and Electrical Properties of Polymer Poly (3-Hexylthiophene) P3HT by Heat Treatment

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Abstract:

The polymer of poly (3-hexylthiophene) was active layer in application such as solar cells. In this paper, P3HT has been chosed to know the effect of temperature onto P3HT. The optical properties of P3HT were measured by using photoluminescence spectroscopy (PL) and UV-Vis measurement. The polymer of P3HT has been spin coated on the glass by using spin-coating method for thin films produced. The temperature was measured start at 60°C to 180 o C. From PL result the peak was exist at range 500-600 nm and started moved to left side when temperature increase. The UV-Vis result showed at range 400-500 nm towards to blue shifted. After heat treatment, the optical absorption spectra for the thin film of P3HT on the glass showed a distinct red-shifted with developing vibronic features of P3HT and the quenched photoluminescence (PL) spectrum was considerably restored .Keywords: P3HT; temperature; Uv-Vis; photoluminescence; PL; I-V

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419-423

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June 2015

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